Button

<div class="btn-demo" role="group" aria-label="Button examples">
  <button type="button" class="btn btn--primary">Save changes</button>
  <button type="button" class="btn btn--secondary">Cancel</button>
  <button type="button" class="btn btn--ghost">Learn more</button>
  <button type="button" class="btn btn--primary" disabled>Disabled</button>
</div>